RC Circuits A 2 k resistor is in series with a 0.015 F capacitor across a 15 kHz ac source. What is the magnitude of the total impedance and the phase angle? 2121 and θ = –19.5° 73.4 and θ = –19.5° 734 and θ = –38.9° 707 and θ = –19.5° 2121 and θ = –19.5° 73.4 and θ = –19.5° 734 and θ = –38.9° 707 and θ = –19.5° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 120Ω resistor is in parallel with a capacitor with a capacitive reactance of 40 Ω. Both components are across a 12 V ac source. What is the magnitude of the total impedance? 3.7Ω 37.9Ω 14400Ω 4800Ω 3.7Ω 37.9Ω 14400Ω 4800Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 47Ω resistor and a capacitor with 150Ω of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is Z = 47Ω – j150Ω Z = 103Ω Z = 197Ω Z = 47Ω + j150Ω Z = 47Ω – j150Ω Z = 103Ω Z = 197Ω Z = 47Ω + j150Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits Point +4 on the complex plane is 4 units right of the origin on the real axis 4 units above the origin on the j axis 4 units below the origin on the j axis 4 units left of the origin on the real axis 4 units right of the origin on the real axis 4 units above the origin on the j axis 4 units below the origin on the j axis 4 units left of the origin on the real axis ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 k. Current flow in the circuit is 460 mA 9.2 mA 92 mA 4.6 mA 460 mA 9.2 mA 92 mA 4.6 mA ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –180° –30° –330° –60° –180° –30° –330° –60° ANSWER DOWNLOAD EXAMIANS APP
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